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PROCESSOR, CO-PROCESSOR, INFORMATION PROCESSING SYSTEM, AND METHOD FOR CONTROLLING PROCESSOR, CO-PROCESSOR, AND INFORMATION PROCESSING SYSTEM
PROCESSOR, CO-PROCESSOR, INFORMATION PROCESSING SYSTEM, AND METHOD FOR CONTROLLING PROCESSOR, CO-PROCESSOR, AND INFORMATION PROCESSING SYSTEM
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机译:处理器,协同处理器,信息处理系统以及控制该处理器,协同处理器和信息处理系统的方法
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摘要
A processor includes a buffer that separates a sequence of instructions having no operand into segments and stores the segments, a data holder that holds data to be processed, a decoder that references the data and sequentially decodes at least one of the instructions from the top of the sequence, an instruction execution unit that executes the instruction, and an instruction sequence control unit that controls updating of the instruction sequence in accordance with the decoding result. When the decoded top instruction is a branch instruction and if a branch is taken, the instruction sequence control unit updates the sequence so that the top instruction of one of the segments is located at the top of the sequence. If a branch is not taken, the instruction sequence control unit updates the sequence so that an instruction immediately next to the branch instruction is located at the top of the sequence.
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